- (
phonetics )语音学 a speech sound made by bringing the parts of the mouth that produce speech close together but not actually touching, for example /r/ and /w/ in right and wet in many accents of (= ways of pronouncing) English 近似音;无擦通音;无摩擦延续音 - (
mathematics )数学 an answer to a problem in mathematics that is a close estimate of the solution of the problem 逼近式